var rows = document.getElementsByClassName('datadesc')

function replaceURLWithHTMLLinks(text) {
    var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
    return text.replace(exp,"<a target='_blank' style='color: blue' href='$1'>$1</a>"); 
}

for(i=0;i<rows.length;i++){
	rows[i].innerHTML = replaceURLWithHTMLLinks(rows[i].innerHTML);
}